Intel Atom N455 

Released June, 2010
  • 1.66 GHz
  • Single core
5.4 Out of 10

CPUBoss Review Our evaluation of the Intel Atom N455 among laptop CPUs (up to 15W)

Performance

Benchmark performance using all cores

Atom N455
4.9
Atom N270
4.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Atom N455
5.0
Atom N270
5.0
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Atom N455
n.d.
Atom N270
0.0
Atom N2600
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Atom N455
n.d.
Atom N270
0.0
Atom N2600
n.d.
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Atom N455
5.7
Atom N270
5.5
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Atom N455
6.5
Atom N270
5.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.4

CPUBoss Score

Combination of all six facets

Atom N455
5.4
Atom N270
2.4

Benchmarks Real world tests of the Intel Atom N455

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom N455
538
Atom N270
516

GeekBench 3 (Single core) Data courtesy Primate Labs

Atom N455
390
Atom N270
369

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom N455
25,700 MB/s
Atom N270
24,800 MB/s
Atom N2600
25,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Atom N455
505
Atom N270
491

GeekBench

Atom N455
872
Atom N2600
1,195
Atom N270
854

x264 HD 4.0

Atom N455
5.42 fps
Atom N270
5.1 fps
Atom N2600
n.d.

PassMark Data courtesy Passmark

Atom N455
289
Atom N270
281

PassMark (Single Core)

Atom N455
247
Atom N270
240

Specifications Full list of technical specs

summary

Clock speed 1.66 GHz
Cores Single core

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support No
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE3
  5. Supplemental SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 6.5W
Annual home energy cost 1.57 $/year
Performance per watt 4.46 pt/W
Typical power consumption 5.28W

bus

Architecture DMI
Transfer rate 2,500 MT/s

details

Architecture x86-64
Threads 2 threads
L2 cache 0.5 MB
L2 cache per core 0.5 MB/core
Manufacture process 45 nm
Transistor count 123,000,000
Max CPUs 1
Clock multiplier 10

overclocking

Overclocked clock speed 1.88 GHz
Overclocked clock speed (Water) 1.67 GHz
PassMark (Overclocked) 266.6
Overclocked clock speed (Air) 1.88 GHz

integrated graphics

GPU GPU
Label Integrated
GPU clock speed 200 MHz

memory controller

Memory controller Built-in
Memory type DDR2
Channels Single Channel
Maximum bandwidth 3,200 MB/s
Maximum memory size 2,048 MB
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Comments

Showing 1 comment.
here i go again with my friend steve. Steve will be my horse and I'll ride him...not in the gay way
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